/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
using java = biz.ritter.javapi;

namespace org.apache.commons.compress.utils{

    /**
     * Utility functions
     * @Immutable
     */
    public sealed class IOUtils {

        /** Private constructor to prevent instantiation of this utility class. */
        private IOUtils(){
        }

        /**
         * Copies the content of a InputStream into an OutputStream.
         * Uses a default buffer size of 8024 bytes.
         *
         * @param input
         *            the InputStream to copy
         * @param output
         *            the target Stream
         * @throws IOException
         *             if an error occurs
         */
        public static long copy(java.io.InputStream input, java.io.OutputStream output) //throws IOException 
        {
            return copy(input, output, 8024);
        }

        /**
         * Copies the content of a InputStream into an OutputStream
         *
         * @param input
         *            the InputStream to copy
         * @param output
         *            the target Stream
         * @param buffersize
         *            the buffer size to use
         * @throws IOException
         *             if an error occurs
         */
        public static long copy(java.io.InputStream input, java.io.OutputStream output, int buffersize) //throws IOException 
        {
            byte[] buffer = new byte[buffersize];
            int n = 0;
            long count=0;
            while (-1 != (n = input.read(buffer))) {
                output.write(buffer, 0, n);
                count += n;
            }
            return count;
        }
    }
}